<template>
  <el-dialog
    :title="!dataForm.id ? '新增' : '修改'"
    :close-on-click-modal="false"
    :visible.sync="visible"
  >
    <el-form
      :model="dataForm"
      :rules="dataRule"
      ref="dataForm"
      @keyup.enter.native="dataFormSubmit()"
      label-width="140px"
    >
      <el-form-item label="课程名字" prop="name">
        <el-input v-model="dataForm.name" placeholder="课程名字"></el-input>
      </el-form-item>
      <el-form-item label="课程图片地址" prop="logo">
        <!-- <el-input v-model="dataForm.logo" placeholder="课程图片地址"></el-input> -->
        <single-upload v-model="dataForm.logo"></single-upload>
      </el-form-item>
      <el-form-item label="课程介绍" prop="descript">
        <el-input v-model="dataForm.descript" placeholder="课程介绍"></el-input>
      </el-form-item>
      <el-form-item label="排序" prop="sort">
        <el-input v-model.number="dataForm.sort" placeholder="排序"></el-input>
      </el-form-item>
      <el-form-item label="检索首字母" prop="firstLetter">
        <el-input v-model="dataForm.firstLetter" placeholder="检索首字母"></el-input>
      </el-form-item>
      <el-form-item label="课程热度" prop="courseHeat">
        <el-input v-model.number="dataForm.courseHeat" placeholder="课程热度"></el-input>
      </el-form-item>
      <el-form-item label="显示状态" prop="showStatus">
        <el-switch
          v-model="dataForm.showStatus"
          active-color="#13ce66"
          inactive-color="#ff4949"
          :active-value="1"
          :inactive-value="0"
        ></el-switch>
      </el-form-item>
      <!-- <el-form-item label="注册时间" prop="gmtCreate">
        <el-input v-model="dataForm.gmtCreate" placeholder="注册时间"></el-input>
      </el-form-item>
      <el-form-item label="更新时间" prop="gmtModified">
        <el-input v-model="dataForm.gmtModified" placeholder="更新时间"></el-input>
      </el-form-item>-->
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="visible = false">取消</el-button>
      <el-button type="primary" @click="dataFormSubmit()">确定</el-button>
    </span>
  </el-dialog>
</template>

<script>
import singleUpload from "@/components/upload/singleUpload";
export default {
  components: { singleUpload },
  data() {
    return {
      visible: false,
      dataForm: {
        courseId: 0,
        name: "",
        logo: "",
        descript: "",
        sort: 0,
        firstLetter: "",
        courseHeat: 0,
        showStatus: 1
        // gmtCreate: "",
        // gmtModified: ""
      },
      dataRule: {
        name: [
          { required: true, message: "课程名字不能为空", trigger: "blur" }
        ],
        logo: [
          { required: true, message: "课程图片地址不能为空", trigger: "blur" }
        ],
        descript: [
          { required: true, message: "课程介绍不能为空", trigger: "blur" }
        ],
        sort: [
          {required: true,
            validator: (rule, value, callback) => {
              if (value === "") {
                callback(new Error("排序不能为空"));
              } else if (!Number.isInteger(value) || value<0) {
                callback(new Error("排序必须大于等于0"));
              } else {
                callback();
              }
            },
            trigger: "blur"
          }
        ],
        firstLetter: [
          {required: true,
            validator: (rule, value, callback) => {
              if (value === "") {
                callback(new Error("首字母不能为空"));
              } else if (!/^[a-zA-Z]$/.test(value)) {
                callback(new Error("首字母必须在a-z或者A-Z之间"));
              } else {
                callback();
              }
            },
            trigger: "blur"
          }
        ],
        courseHeat: [
          { required: true,
            validator: (rule, value, callback) => {
              if (value === "") {
                callback(new Error("课程热度不能为空"));
              } else if (!Number.isInteger(value) || value<0) {
                callback(new Error("课程热度必须大于等于0"));
              } else {
                callback();
              }
            }, trigger: "blur" }
        ],
        showStatus: [
          {
            required: true,
            message: "状态  0：禁用   1：正常不能为空",
            trigger: "blur"
          }
        ]
      }
    };
  },
  methods: {
    init(id) {
      this.dataForm.courseId = id || 0;
      this.visible = true;
      this.$nextTick(() => {
        this.$refs["dataForm"].resetFields();
        if (this.dataForm.courseId) {
          this.$http({
            url: this.$http.adornUrl(
              `/ly/classcourse/info/${this.dataForm.courseId}`
            ),
            method: "get",
            params: this.$http.adornParams()
          }).then(({ data }) => {
            if (data && data.code === 0) {
              this.dataForm.name = data.classCourse.name;
              this.dataForm.logo = data.classCourse.logo;
              this.dataForm.descript = data.classCourse.descript;
              this.dataForm.sort = data.classCourse.sort;
              this.dataForm.firstLetter = data.classCourse.firstLetter;
              this.dataForm.courseHeat = data.classCourse.courseHeat;
              this.dataForm.showStatus = data.classCourse.showStatus;
              // this.dataForm.gmtCreate = data.classCourse.gmtCreate;
              // this.dataForm.gmtModified = data.classCourse.gmtModified;
            }
          });
        }
      });
    },
    // 表单提交
    dataFormSubmit() {
      this.$refs["dataForm"].validate(valid => {
        if (valid) {
          this.$http({
            url: this.$http.adornUrl(
              `/ly/classcourse/${!this.dataForm.courseId ? "save" : "update"}`
            ),
            method: "post",
            data: this.$http.adornData({
              courseId: this.dataForm.courseId || undefined,
              name: this.dataForm.name,
              logo: this.dataForm.logo,
              descript: this.dataForm.descript,
              sort: this.dataForm.sort,
              firstLetter: this.dataForm.firstLetter,
              courseHeat: this.dataForm.courseHeat,
              showStatus: this.dataForm.showStatus
            })
          }).then(({ data }) => {
            if (data && data.code === 0) {
              this.$message({
                message: "操作成功",
                type: "success",
                duration: 1500,
                onClose: () => {
                  this.visible = false;
                  this.$emit("refreshDataList");
                }
              });
            } else {
              this.$message.error(data.msg);
            }
          });
        }
      });
    }
  }
};
</script>
